Former England footballer Gordon Banks, Sir Michael Parkinson and broadcaster Fiona Phillips have relived their heartbreaking personal experiences with dementia to inspire the nation to reduce the stigma about the condition.
They're part of a Department of Health campaign to encouraging people who think they have any symptoms of the condition to seek medical advice.
The three-month project has been launched on World Alzheimer's Day.
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This afternoon could see some heavy and thundery showers. Away from the showers though some warm sunny spells are likely. Highs of 25 deg C
I Am Team GB is offering all kinds of free activities across the region - all with the aim of encouraging more people to get active.
A rather cloudy start with showers likely in places. These could turn heavy and thundery, especially by the middle of the day.